Dr. Khaled A. Abdelrahman is currently working as Assistant Research Professor in Department of Parasitology and Animal Diseases, National Research Center (NRC), Dokki, Giza, Egypt. He has completed his Ph.D. in Infectious Diseases from Cairo University, Egypt. Previously he was appointed as Assistant Pharmacist at Shrief Pharmacy, Cairo, Egypt, Managing Veterinarian in Dairy farm, Egyptian Armed Forces, Veterinary Officer at Mastitis and Neonate Infectious Diseases Research Department, Animal Reproduction Research Institute, Giza, Egypt, VSVRI at Cairo, Egypt, and Associate Researcher, Researcher at Veterinary Sera and Vaccines Research Institute (VSVRI), Abbassia, Cairo, Egypt, and Parasitology and Diseases Research Department, NRC, Dokki, Giza, Egypt. He has participated in 2 research projects. He is professional member of Egyptian Veterinary Syndicate, Egyptian Veterinary Medicine Association, and Egyptian Veterinary Poultry Association. He has published 13 research articles in journals contributed as author/co-author.